中文字幕精品aⅴ专区|久久久99精品久久久|成人片黄网站色大片免费|拍拍拍无挡免费视频网站|日韩免费一区二区三区在线|无码精品国产VA在线观看|邻居少妇张开双腿让我爽一夜|国产色欲a∨视频精品老师视频

    <form id="fgbmd"><nav id="fgbmd"></nav></form>
    <form id="fgbmd"><sup id="fgbmd"></sup></form>

    <noscript id="fgbmd"><meter id="fgbmd"></meter></noscript>
      <center id="fgbmd"></center>

    1. Putting the coarse crushing in the underground to avoid the ground dust and noise pollution; filling the goaf with waste residue and tailings to minimize environmental disturbance caused by waste residue and tailings; the heating equipment adopts energy-saving electric boiler to eliminate the influence of flue gas on environment; two sets of buried water systems are built, which directly recycles industrial water with a utilization rate of 95%, the fresh water s’ consumption is controlled within 0.2 cubic meters per ton of ore, the treated domestic wastewater has been used for greening to realize zero discharge of wastewater.


      202004301588231140502611.jpg

      The functional layout of the mine is scientific and reasonable, the stepped layout of plants 

      realize the self-flow transportation of pulp.

        

      202004301588231152101623.jpg

      After the treatment of flotation wastewater and domestic wastewater reaches the 

      standard, it’s used for secondary production and green irrigation and clean.

      202004301588231166139509.jpg

      The treated domestic wastewater is used for environmental greening and the industrial 

      water is directly recycled to achieve zero discharge.


      202004301588231177198978.jpg

      The tailings dump project has won the national invention patent as well as the national 

      utility model patent.





      ? 贵州省| 游戏| 揭西县| 白水县| 茌平县| 成安县| 永寿县| 宿迁市| 阳山县| 桦川县| 枣强县| 清原| 台东市| 南雄市| 精河县| 沭阳县| 大关县| 石河子市| 镇远县| 西宁市| 红安县| 哈尔滨市| 鹤庆县| 迁安市| 犍为县| 云林县| 无极县| 遂川县| 元谋县| 牡丹江市| 安福县| 兰溪市| 宁波市| 诸暨市| 拜城县| 玛沁县| 平舆县| 新昌县| 龙南县| 泊头市| 桃源县|